<template>
  <div class="box-index-main">
    <el-dialog title="提示" :visible.sync="dialogVisible" width="30%" :before-close="handleClose">
      <span>这是一段信息</span>
      <span slot="footer" class="dialog-footer">
        <el-button size="mini" @click="dialogVisible = false">取 消</el-button>
        <el-button size="mini" type="primary" @click="dialogVisible = false">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      dialogVisible: false
    }
  },
  methods: {
    handleClose(done) {
      this.$confirm("确认关闭？")
        .then(() => {
          done()
        })
        ["catch"](() => {})
    }
  }
}
</script>
<style lang="scss">
.box-index-main {
  .el-dialog__footer {
    text-align: center; // 修改按钮位置
    .dialog-footer { /* class 位于 span 上面 里面包含button */
      .el-button {
        span {
          margin: 0px;
          padding: 0px;
        }
      }
    }
  }
}
</style>